Uranium hard drives.

[Creelers]

http://www.escapistmagazine.com/new...ium-Compound-Could-Lead-to-Atomic-Hard-Drives

Non radioactive unfortunately, so no home made atomic bombs.

 

[MikeHunt79]

Nice, neodymium has been around for a while now so it would be interesting to see if they can make better performing magnets in the future.

 

[shine]

Already posted:

http://forums.overclockers.co.uk/showthread.php?t=18269734